Wet Sanding and Buffing Automotive Paints: Finally, let’s take a look at this ’60 Pontiac color sanded and rubbed-out by Bill Larzelere. SHER-WOOD® Fast Dry Vinyl Sealer is a vinyl modified nitrocellulose sanding sealer with fast dry and good sanding characteristics. Krylon ® Fusion All-In-One ™ is a best-in-class product that bonds to difficult surfaces such as plastics and ready-to-assemble furniture without sanding or priming. Natural yellowing only occurs on nitrocellulose lacquer and not on less expensive, water-based, lacquers. While one section is drying, apply your One Step color to the next section utilizing the same application techniques and a clean Amy Howard at Home synthetic brush. Wait 3 days before subjecting surface to normal usage. Shake the can thoroughly, before pouring into the bucket. Be certain to work quickly adding a thin coat, but don't over-brush your work. Dry and recoat times are based on 70°F and 50% relative humidity. You might find this gives your instrument unique character, but if not, refinishing. I'm thinking that if I sand and spray lacquer on it tonight, I should be able to see the results by tomorrow, which is the last day that I can put lacquer on it before it needs to be used. It looked good, but felt a little sticky with the high gloss. Since the solvents present in succeeding coats of lacquer melt into and slightly reconstitute previous dry coats, there is no need to sand between coats. Apply second coat. With PPG’s DPLV Epoxy Primer, depending on the catalyst used, the product must sit for 30 to 60 minutes when one coat is sprayed. How To Color Sand. It is easy to sand, dries quickly, and seals the wood in just one coat. Acrylic Lacquer Paint - Sanding - Buffing - Polishing Because I used acrylic primer the only topcoat I could use was acrylic lacquer. the top layer and get patches of smearing and streaking. Now, just on the assumption that when you say 'varnish' you really do mean 'varnish', and not some other form of top coat, like lacquer, or polyurethane. First-time Bondo’er? Start with these tips for mixing, preparing surfaces, and finishing. Success secrets: Avoid the temptation to apply thick coats, which can run and drip. Any good quality, fast drying sanding sealer should work fine. Each layer of lacquer must be set dry before applying the next, thus it takes up to 5 months to complete a perfect lacquer product. Lacquer Lacquer can be used to achieve a beautiful finish. Acrylic lacquer primer - Body shop supplies, body shop tools, auto paint, paint supplies, Dura-Block Sanding blocks and Dura-Block Sanding tools from Direct Auto Body Supply. All my lacquer is supplied in 400ml aerosols, which have adjustable elliptical nozzles allowing a vertical or horizontal fan. Apply enough Clear Acrylic to allow for sanding without exposing the flake (14-18 coats suggested) Allow 10 minutes drying time between coati. While sanding doesn't emit harmful chemical fumes, make sure you still have enough ventilation in whatever space you're working in, as sanding does release dust and debris into. Enamel would be about 30 minutes before you can re-coat and few hours before it's 100% dry. Unless the surface is 'polished' no sanding is necessary. Application. Have a container of lacquer thinner or acetone on hand, as well as a roll of paper towels. as a sanding sealer under a lacquer ﬁnish. Don’t despair though; there are several brushing lacquers available for those of us without spraying facilities. When sanding enamel paint, you will use a technique called wet sanding. Clean is the rule again. Probably not the most long lived finish, but will stick. Clear Semi-Gloss Lacquer Wood Finish (Case of 2) is the finest brushing lacquer available. Use FLASH-OFF CONTROL SOLVENT when conditions are hot, dry and/or windy, to solve orangepeel and roughness from overspray. If no problem, you are good to go. This is risky because it does not remove enough mass, and checking and cracking may occur. REPAIR: If repair is rough, seal and sand. Will Kelly, monthly repair columnist for Vintage Guitar Magazine, shows how to properly wet sand and level a lacquer finish, as part of the application of a Sunburst finish project for. If the piece is dry give it a light sanding with a high grit sandpaper. of Behlen Vinyl Sanding Sealer 3. Lacquer can be very easy to use, if you're prep is good, your technique and materials are matched to the job, and you take enough time with things - especially preparation and drying time. • Dry to sand in 40-60 minutes depending on film build and ambient conditions. EM6500 Water-Based Pigmented Lacquers. Wet Sanding New Acrylic Lacquer Hey I have just completed painting a car using a Dulon Metallic and have just started colour sanding it using 1500 unigrit, this has removed a majority of the minor orange peel I had and left a slight white haze. To do this, use a damp rag to wet the wood. This state of the art product line includes enhancer sealers, and restoration products. Sand the surface and remove sanding dust carefully. box 339 brookvale, nsw 2100 australia tel. USG Gypsum Accelerator should be sprinkled in dry form into the mixed compound. Once the wood surface is prepared and stained, a number of coats of finish may be applied, often sanding between coats. The huge mass appeal of chalk paint is not only the gorgeous matte finish, but the no prep promise. The dry paint responds well to polishing. Make one stroke at a time, slowly and evenly across the entire piece you are working on. First, the thinners evaporate and the finish becomes tack free (see above). After drying overnight spray with a medium coat of lacquer. Wet sanded acrylic lacquer up to 1200 with twelve hours drying time. Always sand in the same direction the grain 'runs' down a board. Unlike lacquer, polyurethane doesn't redissolve. Brushing a lacquer and getting it even is very hard to do. Touch up clear lacquer will fill the 1500 sandpaper scratches. Make sure to put it completely out before leaving the site. I sand between coats of lacquer with un-gloved hands and sterated sandpaper, blow the dust off with compressed air without a particularly good air dryer, and spray another coat. Cheers for all the advice. Since this. Clean the sanding dust with plain water and dry well. Pour the lacquer onto the. Apply the second layer and allow to dry approx. Dry to touch: 10-15 minutes Dry to sand and recoat: 30-40 minutes (depending on ambient conditions). These are intended to achieve the same film thickness as normal 2K lacquer but using only one or two coats, hence saving time. Sanding and finishing a wood floor is hard work! It requires many pieces of equipment, upper body strength and stamina, and more practice and training than you might imagine. I prefer not to sand between coats unless I am filling deep grain. Sanding polymer clay is best done under water - either under the tap or in a basin. - Do allow 30 mins. The final drying period can vary from surface to surface and day to day. I only found a few. Fill the grain with an oil-or water-based wood grain filler. The sanding sealer should be sanded with 220 grit sandpaper. The active ingredient is a pre-catalysed melamine resin. If the varnish turns to powder, it is dry enough to sand and apply the next coat. Lacquer takes a considerable time for the solvent to evaporate out from the finish and the drying time is affected by the temperature and humidity of the drying enviroment. I did it on a affordable Squier. For the highest quality results and the smoothest foundation possible, use with Sanding Sealer, which creates a smooth, hard, seal coat and eliminates. Apply the stain according to manufacturer’s instructions and allow it to dry. Before you decide whether or not you want to use lacquer car paint, it might be a smart thing to check out the pros and cons of using this kind of product on your car. You can re-coat and sand in 30 minutes to 1 hour. Label Doors + Remove Hardware Before removing, label each cabinet door with painter’s tape. The Peanut Butter Jelly Time cocktail is a miraculous recreation of the lunchbox. The dry paint responds well to polishing. Cheers for all the advice. The reason you need to 'scuff sand' it before adding a new layer, is to help the new coat adhere to the old one. I was able to apply and cure my gel topcoat less than 5 minutes after doing 3 coats of dazzle dry colors and 1 dazzle dry topcoat. I have heard from some that Lacquer only needs 24 odd hours to cure enough to be able to polish but then I have also heard from some that without baking it I should be waiting 1-2 weeks minimum. The drying time of lacquer and pre-cat lacquer is not dramatically changed by heating it. With our ProStay Technology, this long wear polish remains vibrant for up to 11 days!. We recommend minimizing the grain raise, especially on hardwoods such as Oak and Ash. Wood Stains and Glazes Our complete line of wood stains and glazes provide easy application and gorgeous results — bringing the beauty you envision to the wood products you’re finishing. So if you are on a time bound project, your best bet would be to go for a proprietary screed which can give you a drying time that suits your project. 1) that you dont have. This is an ideal finish for small turnings such as pens, boxes, spindles and small items in general. After final sanding, then spray on light coats of Deft lacquer. First of all let’s clear up a few things; Lacquer thinner, acetone, MEK, and enamel or urethane reducers are NOT surface cleaners. Second - the lacquer flows very well, so you really want to make sure your parts are level before you spray them or it will definitely run downhill. Ensure surface is completely dry before applying varnish or Old Masters® Clear Finishes. You are actually sanding the finish this time, so it isn’t important whether or not you sand with the grain. Lacquer thinner evaporates too fast and doesn’t give you time to wipe it off wet. As for the brush, its not so important, so long as its clean(new). What we are trying to do is to sand back to a good finish each time and not rely on heavy application of product to "bury" any defects. You could also use 0000 Steel Wool. 2 weeks should work just fine, and in a pinch 10 days may work, but any sooner is chancy, because the lacquer hasn't had time to fully meld. Floors must be dry and spotlessly clean before lacquer application. Can't agree with you on the sanding, Sammy. Furniture and Cabinets. Repairs before stripping (if necessary) Stripping the cabinet. That's a problem in my dusty garage sometimes, especially if it's windy outside. Fast drying formula dries in only 30 minutes; Self-settling consistency leaves no spray marks behind; 2 or 3 coats are recommended for maximum protection; Covers approximately 40 square feet per can; Made in the USA. After sanding, it provides a smooth, even surface that is ready to be top coated with Minwax® Clear Brushing Lacquer. After a further de-nib apply a full even coat of the RP1 Top Coat & allow to dry. It also provides maximum rust protection for all outdoor projects. Make sure to blow off any remaining dust when you’re done. Drying Time / Sanding Time. 2 days ago · There is a connection between Syria’s climate and conflict, just not the Orientalist Arabs-fighting-in-sand image that Trump’s word choice may conjure up, experts said. Sand wood with 180 grit sandpaper to proper smoothness, remove dust, and stain if desired. Thick ones take longer to dry and are more likely to drip or wrinkle. I shot some base coat this morning and I have a couple areas that need attention. By the time the lacquer fumes are concentrated enough to be ignited by a heater you would already passed out from lack of oxygen anyway, so you wouldnt feel a thing. Always sand in the same direction the grain ‘runs’ down a board. Brushing a lacquer and getting it even is very hard to do. Get that wet-sand sand paper out, grab your trusty 320 grit and a foam sanding block of sorts, not your hand 12. The binder is a resin, which is the oil-base -- the part of the formula that requires the drying time -- and the solvent or carrier, which is mineral spirits for oil-based and water for water-based. Make sure to remove any contact lenses from the eyes before rinsing. As before, feather out the area to help hide the repair. A minimum of 4 coats is recommended. A minimum of 3 coats are recommended. Furniture and Cabinets. If desired, additional coats may be applied up to a total dry film of 4. Attach the paper to the orbital sander and run it extremely lightly across the surface. Probably not the most long lived finish, but will stick. A few days later 11. USG Gypsum Accelerator should be sprinkled in dry form into the mixed compound. This time, allow the stain to absorb for ten-minutes and completely wipe the surface with a dry terry towel. I remember having a hard time getting a wet coat down. The paint was sanded where repairs were made to the original finish, then a little prep sanding was done overall before the clear. The drying time of lacquer and pre-cat lacquer is not dramatically changed by heating it. Fast drying band very easy to apply. Make interme-diate sanding with sandpaper grit 120 after the drying time of 6 hours. Remove any previous finishes. To create a quality, high-gloss, lacquer-style finish, you must start with the smoothest possible wood surface. Typical uses. Re: A question for rattle can gurus I always sand before clear with 2000 grit and I always get a smooth mirror finish, but that is only after curing for at least a week. techniseal. TIP: It’s important to sand between coats to ensure a smooth final finish. This is because PAINT DRY and PAINT CURE are two different things. Click the link below and get directions to your closest Sherwin-Williams store. Continue to rinse for at least 15 minutes. Unlike conventional sand, it stays in place and. I’m using the Deft brushing lacquer for the first time. before the full thickness of the finish has cured, you can buff through. Allow to dry properly before applying further layers of lacquer. Re: A question for rattle can gurus I always sand before clear with 2000 grit and I always get a smooth mirror finish, but that is only after curing for at least a week. Toms comment about a touch of soap to lube while sanding is also a good trick and makes it a lot easier. I shot some base coat this morning and I have a couple areas that need attention. Urethane paints are newer than enamels, are more expensive and more trouble, but they lay down easily like lacquer while having the toughness of enamels. Skipping the dry time may result in a color mismatch, heavy orange peel texture, and/or a loss of gloss. Are you wondering how long your lacquer is going to take to dry? The answer is a bit more complicated than it seems, but don't worry, we discuss and demonstrate how long it takes in this video. Sand the surface again to ensure it is as smooth as possible. The sealer used on the Es345 was a diluted lacquer/reducer solution. I just bought a new, outside rearview mirror for my car but I need to spray-paint the mirror before I bolt it to the car door. For best results, seal the workpiece using Mylands Cellulose Sanding. Most commonly used as a sealer, lacquers are favored for their low cost and quick dry time—an undercoat of lacquer seals the wood in just 15 minutes. Vacuum carefully, and tack with water or a premium grade lacquer thinner using a Glitsa Tack Mop. Fast 2-hour dry and self-leveling. Anticipate slightly longer drying time for each layer that is applied. Remove all dust and degrease once more. Ensure surface is completely dry before applying varnish or Old Masters® Clear Finishes. Use some soapy water to lube it up. box 339 brookvale, nsw 2100 australia tel. Let the paint dry, days, months, years. Generally you should not need to sand after applying Kilz primer. Otherwise you'll certainly pick up paint and maybe even roll off coats of it. While at HD, I also picked up a 12-amp Circular Saw for only $30. Surface Prep. Allow Bacca to dry at least overnight, or until thoroughly dry. Allow finish to dry 24 hours before light use. You can re-coat and sand in 30 minutes to 1 hour. Remove all dust. Dry Time - Under normal conditions to touch in 10 minutes and to recoat. If nothing moves you should be ok. The same things that make lacquer easy make repair fairly easy too - as lacquer will remelt into itself, making repairs almost invisible. How long should you let cellulose paint dry before you cut / polish it ? I' m just waiting for my SVA date to come through, so thought I would finish a few odd jobs on the car. Most important symptoms and effects, both acute and delayed 4. the top layer and get patches of smearing and streaking. 5-ounce container. Sanding can easily cut through it. Get the sanding block again and sand with 180-220 grit sandpaper. Cellulose Sanding Sealer is very quick drying, usually touch dry in 30 seconds and ready to be sanded within five minutes, making it ideal for a quick, easy yet professional base for your finishing. Unless you exceed the time allowed before clearcoat. Allow 24 hours for before buffing or sanding. Depending on the type of finish you have applied, the temperature, humidity and how many coats of finish you have applied, the finish can take anywhere from 36 hours to a couple of weeks to cure. For a truly smooth finish, sand lightly between coats with a pole sander using 100-grit sandpaper. Use Watco Clear Lacquer Spray on furniture, doors, cabinets and paneling and you'll get a crystal-clear, durable wood finish you'll be proud of. Power washing is recommended before applying the sealant, although this should be done at least 14 days before sealing to enable the bedding layer and sub-base to dry and allow for any reactive efflorescence to appear, and the lance must be kept at a shallow angle to minimise loss of jointing sand. I am going to turn the heating up to speed up drying time. Let sit for a bit and wiped off with paper towels. The final rub out, done carefully and properly, is what takes any paint job—done by a pro or done by you at home—from the level of “as good as factory” to full-on custom paint. Removal of chassis, speaker, grill cloth, escutcheons. Lacquer is a very strong and durable product but this finish needs enough time to cure (water-based products typically need 14 – 28 days to cure). Any grain raising will have taken place by the time you sand down this sealer coat. How to Use Oil Base Gel Stain Over Existing Finishes. On the first attempt, I warmed the paint, used the proper distance recommended on the can for shooting the paint, and waited the recommended time between coats and still got orange peel effect. Lacquer is a very strong and durable product but this finish needs enough time to cure (water-based products typically need 14 – 28 days to cure). I start wet sanding with 1200 grit wet/dry paper in water with a dash of dish soap for lubrication. If you start at the top, the cleaner can run down the wood and create hard-to-remove streaks. i did read that but not if you applied the clear 30 minutes later. Allow longer drying time before sanding when used in cooler temperatures. 136 months for now it's time to dry then polish. Otherwise you'll certainly pick up paint and maybe even roll off coats of it. Orbital buffers are worthless for removing sanding marks, so if you're not going to use a rotary then get either M105 or Ultimate Compound and use this with a terry cloth applicator pad to rub out. Even high quality finishing papers will build up. A longer time frame is acceptable. However if it withstood against the finger print test, the basic drying is completed. Wurth High Gloss Clear Lacquer is formulated to match the original factory luster of your wheels. Once all the damage has been repaired, it's time for sanding. Any major scratches need to be dealt with before clear, of course. Ensure the surface is clean, dry and free of all sanding residue. The paint turned out very nice with just a hint of orange peel. Earlier in the day, we drove north from Los Angeles on Highway 395 before cutting east on 178 at Ridgecrest to check out the first site on my tour, the Trona Pinnacles, an alien landscape of. Then let it properly dry for a minimum of a week, but longer is better, up to 30 days, as is stated before. One thing you might try first though is now that you have your stain looking good, brush on a coat or two of sanding sealer then apply your lacquer. Lacquer can be very easy to use, if you're prep is good, your technique and materials are matched to the job, and you take enough time with things - especially preparation and drying time. Part 6: Final Sanding and Rubbing Out. While the clear coat is beautiful and high gloss, no matter how hard I tried, I ended up with some dust specs in the top layer (and according to West tech support that is quite common due to the long drying time). day or two before taking it to the buffer. If you are going to rub out the finish (by wet sanding) after it has cured, you may want to apply at least a total of 6 coats ( not including sealer coats). Clean sanding residue and any fingerprints off with Wax & grease remover. If you start with an enamel primer, then use an enamel topcoat. Wait 3 days before subjecting surface to normal usage. As it ages the clear lacquer finish forms a protective rock hard finish. Cheers for all the advice. Note: Total dry film of the entire system should not exceed 4 dry mil. Sand the first two coats flat. The more time that you spend sanding, the more uneven the surface will become. Scrub this mixture on the trim with a scrub brush. If you want to bury them, after wet coats carefully sand the build at decal edges, then coat again. Then you want to make sure that a) your eggshell is flowing well. Here, we provide a step-by-step DIY guide to repairing scratches in clear coat lacquer. Use caution when sanding individual pieces to avoid rounding over crisp edges that may form gaps when joined and glued. Apply a final polish to restore full gloss. How to protect outdoor furniture with Chalk Paint Lacquer. Lacquer does need some cure time before buffing for a smooth surface and good gloss. To avoid this, raise the grain and sand it off before applying the stain, or “bury” the raised grain. Prime Heat is good, as it uses halogen lights to heat it, but with pre-cat lacquer you have to let it flash off before you put it under the lights or it can blister. Clean off all the dust and debris and you’re ready to apply the top coat. It is a softer finish, making the first coat easier to sand. By the time the lacquer fumes are concentrated enough to be ignited by a heater you would already passed out from lack of oxygen anyway, so you wouldnt feel a thing. Lacquer can be very easy to use, if you're prep is good, your technique and materials are matched to the job, and you take enough time with things - especially preparation and drying time. Use 400 grit sand paper to lightly sand drips, runs or orange peel (a blemish that resembles soda fizz but is dry and hard to the touch). This auto paint requires three products: the color, a reducer to thin the color to the right viscosity for the spray gun, and a catalyst used to accelerate drying time. Satin Brushing Lacquer 01704, interior applies easily with a brush or pad and dries clear in just 30 minutes from The Home Depot Deft 1 qt. Once the paint is mixed, it must be used quickly and unused paint must be discarded. before the full thickness of the finish has cured, you can buff through. You seem to think that 2K primer is the only way to go. Wet-sand cured finishes starting with as fine a grit as possible. Don’t despair though; there are several brushing lacquers available for those of us without spraying facilities. I would add “slow thinner” to your lacquer top coat to create a longer curing/drying time to allow the moisture to escape before it skins over. Choose a hardening wood putty (like the Timbermate that we love - buy it here) that matches the species of wood you have and apply it before you finish sanding. Wait 3 days before subjecting surface to normal usage. Sand raw wood smooth. Blow off the job with compressed air and wipe over with a tac rag before spraying. Lacquer/ Clear Coat application. DRY TIME Dry times are based on 70°F and 50% relative humidity. Should I sand back after each coat of lacquer? paintman. 6 out of 5 stars 1,000 $7. Who knowsyour wife might start to like the smell of lacquer in the. The sanding sealer serves as the base coat and is designed to seal and protect the surface. Just because it is Micromesh and not automotive wet or dry sandpaper doesn't just magically change the task from "sanding" to "polishing". Allow finishsoaked rags to dry before discarding them. It will cause the lacquer to flow into the fine scratches from the wet sanding and make the buffing stage a bit easier. MIX WELL Before Using. surface preparation. If the wood has open grain then I catch sanding dust on the sandpaper and use the dust to make. Sand the bare wood as needed to smooth it and remove the old finish. No lacquer over oil, but you can shellac over oil and then lacquer. Anticipate slightly longer drying time for each layer that is applied. The tabletop has 5 or 6 coats of Zinser dewaxed shellac, left to dry for about a week, then 3 coats of Watco gloss lacquer. It is important that both wood and lacquer have a temperature of min. With proper application under normal conditions, Claw-Glaze will dry ready for sanding with wet or dry sandpaper in 15-20 minutes at 70°F. , paint thinner or VMP naphtha per gallon B-I-N may be added. Dry ½ hour before sanding. Video of the Day. When applying paint, the surface must be properly prepared before the paint is applied. Mist coats will often leave a bit of a hazy surface when they dry. Lacquer is considered more difficult to apply than other clear finishes because it requires several coats with sanding in between. If you lay that thick of a finish down in a few days it will be like years before it fully cures. For this howto we will give general times that you should wait before continuing on with your work. Recoat in only two hours, with no sanding needed between coats. Unpainted kits can look great with just a nice top coat while painted kits will gain that extra umph. In that case additional drying time is required) Surface Preparation: Prepare the wood to a 180 or 220 grit sanding smoothness. You are actually sanding the finish this time, so it isn’t important whether or not you sand with the grain. Provide enough time for the first coat to dry before spraying on the second. Sanding through the clear is especially bad if your car is dark colored or has metallic paint. Allow the finish to dry completely before using the staircase. Allow to dry 3 hours before lightly sanding. I do have a test piece that has an epoxy coat for this reason. Allow that to set for about 2 days before wet sanding with 1500 grit. Enjoy the Clear Wood Finish 1 qt. Give at least a couple of months time before you do a cut 'n polish job on the painted area. 136 months for now it's time to dry then polish. From what I have heard on here and on the can, the lacquer is supposed to be dry in about 2 hours. "Wet Look" Paver Sealer is the ideal one-step, easy to apply, product for sealing interlocking concrete pavers and stabilizing joint sand by locking it into place. Such as sand the enamel paint or would I spray paint over it show more I am going to spray painting a fender and wanted to know how long I would need to wait before applying acrylic clear coat over enamel base paint? I read a day or two would be good?. The dry paint responds well to polishing. Any major scratches need to be dealt with before clear, of course. Here's an extended discussion of tweaking equipment and formulas to moderate the drying time. Car repair can cost a lot of money, and it's always tempting to save by doing work at home, especially when it comes to body work. Now you can layout where the yellow stripes will go by tapping over and covering up the white base. How to Use Oil Base Gel Stain Over Existing Finishes. You can sand at anytime during your base coats if you want to. Apply the stain according to manufacturer’s instructions and allow it to dry. Working with only one decal at a time, dip the decal in clear water for no more than five seconds. NEVER SHAKE. Spray a final coat of paint over the area but do not sand it. Here's the ones that I could find times for: 24% Solids Finishing Lacquer - overnight. It is an option that saves time and material in some situations, and is unnecessary in others. * Excessive air flow pre-dries the atomized lacquer before it can reach the surface (such as when spraying outdoors on a windy day). Remove all dust. Thick ones take longer to dry and are more likely to drip or wrinkle. it back together for the time being. Any good quality, fast drying sanding sealer should work fine. This quick drying makes lacquer challenging to apply with a brush—for brush application, buy a specific "brushing lacquer" formulation. I am no screed expert but the screed should not be wet and sloppy. This basically means sanding back all the spray filler in some areas, but this is what it’s for. Each coat of lacquer, if applied correctly, is very thin once dry. Once Bacca is dry to the touch (approximately four hours, depending on weather conditions) immediately open doors and windows to ventilate area, which will also aid the curing of the product. 10 days should be plenty, but it depends on several factors like how many coats of material you applied, how long you let the paint flash between coats, the temperature and humidity, etc. I typically sand to at least 220 grit before application of the finishes. Should I sand back after each coat of lacquer? paintman. So if the penultimate coat is good you might be OK without sanding, but sanding does provide something for the final coat to bind to if the previous coat was applied some time ago, so ultimately it will provide a more durable finish. but I still do not think it is dry, still smell the lacquer. A short clip of the technique I use when wet sanding nitro lacquer to a glassy finish. Stir the can. Safety and Other Precautions: Read MSDS for precautions before using product. You need a walk-behind floor sander, which you can rent. Follow the. This means that a floor can be sealed and finished in the same day. Allow to dry properly before applying further layers. 2 weeks should work just fine, and in a pinch 10 days may work, but any sooner is chancy, because the lacquer hasn't had time to fully meld. Get medical attention if any discomfort continues. As I say it all depends on how your paint will react. Allow the surface to dry overnight. Pre-treat raw soft or porous woods, such as pine and alder, with Minwax ® Pre-Stain Wood Conditioner. A minimum of 3 coats are recommended. Water-based finishes, such as Minwax ® Water Based Polyurethane for Floors, are applied in very thin coats. Typical sealers include dewaxed shellac, vinyl lacquer sealer or thinned water base finish if you like to keep your schedule all water-based. Simply add new paint using the following steps.